Weight Loss · Supplement Review · 90-Day Test
We Tested 5 Popular Weight Loss Supplements for 90 Days.
Only One Delivered Consistent Results.
Our editorial team recruited a panel of women aged 35–55 and ran a structured 90-day evaluation of the most-advertised weight management supplements. The results were surprising — and only one product stood out across every metric we tracked.
By The Supplement Tribune Editorial Team ·
Updated March 2026 · 12 min read
⚠️ Affiliate Disclosure: This page contains paid affiliate links — we may earn a commission on purchases
The weight loss supplement industry generates over $33 billion annually — yet consumer satisfaction surveys consistently show that the majority of buyers feel they got little or no benefit from their purchase. [1]
We set out to change that. Our team selected five of the most heavily marketed liquid-format weight management supplements available in 2025–2026, recruited a panel of 18 women between the ages of 35 and 55, and ran a structured 90-day evaluation with standardized tracking across four key outcome areas.
Our testers were asked to maintain their existing diet and exercise habits — no crash diets, no new gym memberships. We wanted to see what each supplement could do on its own as a daily addition to normal life.
"We wanted to cut through the noise of before-and-after photos and social media claims — and find out what actually changes when real women take these products consistently."
How We Evaluated Each Product
Our methodology was designed to minimize bias and focus on measurable, self-reported outcomes that matter to real consumers — not laboratory markers or clinical endpoints. We are not a medical institution, and this is not a clinical trial.
Test Methodology
Duration: 90 days continuous use · Panel: 18 women, ages 35–55 · Format: Blinded product labeling during test phase · Tracking: Weekly self-reported check-ins + monthly summary questionnaires · Criteria: Energy, appetite/cravings, bloating, overall satisfaction · Scoring: 1–10 per category per participant, averaged across panel.
Each product was evaluated across four equally weighted criteria:
We also noted ease of use, taste/tolerability, ingredient transparency, and manufacturing quality claims (GMP certification, third-party testing, etc.) as secondary factors.
The Full Breakdown: Product by Product
Here is our panel's experience with each supplement, ranked from worst to best performing.
VitaSlim was the most disappointing product in our test. Multiple panelists reported no noticeable change across any of our tracked metrics. The ingredient list was partially disclosed, and the manufacturer could not verify GMP certification when contacted by our team. Several testers dropped out before the 90-day mark.
Pros
- Easy to take
- Affordable price point
Cons
- No noticeable effects reported
- Incomplete ingredient disclosure
- No GMP verification
- No satisfaction guarantee
PureBurn showed some mild energy-related benefits in the first few weeks, but these faded for most testers by week six. Appetite control was the weakest of any product we tested. The company was also unresponsive when we asked about third-party testing documentation.
Pros
- Mild early energy boost
- Good taste reported
Cons
- Effects faded significantly over time
- Poorest appetite results in the test
- No GMP verification provided
- No refund policy
MetaBoost was solidly average. About a third of our panelists reported noticeable improvement in energy levels, particularly in the mornings. However, the digestive effects were neutral to slightly negative for several testers, and appetite control improvements were inconsistent across the group.
Pros
- Decent energy results for some
- Easy liquid format
- Reasonable price
Cons
- Very inconsistent across panelists
- Some digestive discomfort noted
- No refund guarantee
SlimCore was the strongest performer outside of our #1 pick. Its appetite-control scores were the second highest in the test, and digestion improvements were consistent. The main drawbacks: it comes in capsule form (not a drop/liquid), which some testers found inconvenient, and the price per bottle was the highest of all five products.
Pros
- Strong appetite control scores
- GMP certified manufacturing
- Full ingredient disclosure
Cons
- Capsule format — less convenient
- Most expensive in the test
- Limited satisfaction guarantee
Appetite / Cravings8.5/10
Digestion / Bloating8.6/10
LeanDrops was the standout product by a significant margin. The gap between LeanDrops and the second-place finisher was larger than the gap between #2 and #5 combined. What distinguished it most was consistency — unlike other products where half the panel saw results and half didn't, LeanDrops showed improvements across the majority of testers in all three of our primary categories.
Panelists noted the most meaningful changes in two areas: evening cravings (particularly for sugar and carbohydrates) and mid-morning to afternoon energy. Several participants commented that they noticed changes in bloating within the first two to three weeks, which was earlier than any other product.
The liquid drop format was highly rated for convenience — most testers added drops to their morning water or coffee. The manufacturer provides full ingredient disclosure, GMP certification from an FDA-registered facility, and a 60-day money-back guarantee.
Pros
- Highest overall panel score (8.7/10)
- Most consistent results across participants
- Strong appetite & craving control scores
- Notable bloating improvement (earliest onset)
- GMP-certified, FDA-registered facility
- Full ingredient transparency
- 60-day money-back guarantee
- Convenient liquid drop format
Cons
- Results still vary by individual
- Not available in retail stores
- Multi-bottle packages required for best value
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Affiliate Disclosure: The links below are affiliate links. The Supplement Tribune may earn a commission if you purchase through them, at no additional cost to you.
🏆 Our #1 Pick — 90-Day Test Winner
LeanDrops — Choose Your Supply
View Official LeanDrops Page →
*Individual results may vary. Not a substitute for medical advice. 60-day money-back guarantee — contact LeanDrops directly for refund terms.